Counter-block and die for stamping-machines.



No. 844,171. PATENTED P5312, 1907.

J.-A.(M0ANULTY. 0011mm BLOCK AND DIE P011 STAMPING MACHINES.

APPLIOATION FILED DBO.14.' 1905.

Fig.1.

w itnesses: (1. 6mm.

TINTTE STATES PATENT FFTGE.

JOHN A. MOANULTY, OF BALTIMORE, MARYLAND, ASSIGNOR, BY DIRECT AND 'MESNEASSIGNMENTS, TO THE SANITARY STOPPER COMPANY,

OF BALTIMORE CITY.

v No. 844,171.

Specification of Letters Patent. I

Patented Feb. 12, 1907.

Application filed December 14,1905. Serial No. 291.916.

To aZZ whont it may concern:

Be it known that I, JOHN ARMSTRONG MOANULTY, a citizen of the UnitedStates, residing at Baltimore, in the State of Maryland, have inventedcertain new and useful Improvements in Counter-Blocks and Dies forStampin -Machines, of which the following is a specification.

My invention relates to rotary machines for cutting out blanks orarticles from sheet material, and particularly to machines of this classin which are employed counterblocks and cooperating knife-edgecuttingdies-such, for instance, as in the machine disclosed in myapplication of even date here with, Serial No. 291,915.

The objects are to provide means whereby knife edge cutting dies may beoperated against metallic counter-blocks without i11- jury to the dies.These objects I attain by means of the mechanism shown in theaccompanying drawings, forming a part of this specification, in which-Figure 1 is an elevation of the end of a rotary cylinder containing myflexibly seated counter-block; Fig. 2 is a part section view of thecounter-block, showing details of seating and adjustment. Fig. 3 is adetail view showing relative position of the counter-block andcutting-dies. Figs. 4, 5, and 6 are detail views of counter-block parts.Fig. 7 is an elevation of one end of a rotary cylinder containingflexiblyseated cutting-dies. Figs. 8, 9, and 10 are detail views ofcutting-(lies.

20 and 21 are rotary cylinders and correspond with numbers designatinglike parts in the application above referred to. The cylinder 20 isbored out at intervals of its circumference to receive cutting-dies andto provide space under the cutters to receive flexible cushions 71,which provide a yielding seat for the cutters of such a nature as topermit the cutters to cant in any direction to make a perfect contactwith the faces of the counter-blocks, whether the latter are perfectlyset or may have slight irregularities or depressions in their faces. Thecylinder 21 is likewise bored out at corresponding intervals in itscircumference to receive counter-blocks 72, including flexiblecushion-rings 73, which surround the counter-block stems under theirheads. These cushions, fitting neatly in the spaces around thecounter-blocks, hold them in their normal position to receive thecutters against them, yet yielding to a limited degree in every lateralor transverse direction required to accommodate to any lateral. ortransverse strain that might be brought to bear on them by any action ofthe gearsoperatingthe cylinders or any lead or dragging action of thecutters or any jar or twisting of the machine.

The enlarged portions of the seats are made sufliciently deep to receiveflexible cushionpieces 7 4, which form a yielding seat for the innerends of the counter-block stems and provide for a slight receding actionof the counter-block when the cutter-knives are brought in contact withits face with greater force than maybe required for cutting thematerials being operated upon.

To provide for taking up wear of the counter-blocks and to set themoutward after redressing, hollow adjustment-bolts are threaded throughthe cylinder-shell from within by which the yielding seats andcounter-block may be forced outward. The adjustment-bolt may be providedwith a jamnut 76 to retain it in position when set.

To hold the counter-block down in its seat with any degree of pressuredesired, a drawbolt 77 is hinged in the body of the counterblock stem,preferably by means of a hingepin 78. Said draw bolt extends inwardthrough the set-bolt and is provided with a draw-nut 7 9 for obtainingthe desired tension on the flexible seatand a jam-nut 80, which locksthe draw-nut.

What I claim as new, and desire to secure by Letters Patent, is

1. In a rotary machine for cutting articles from sheet material, thecombination of a pair of members rotating relatively to one another andprovided respectively with a cutting-die and a counter-block adapted tocooperate to cut the material as the members rotate, one of saidcooperating parts being mounted to yield at an angle to the directionofthe cutting pressure.

2. In a rotary machine for cuttingarticles from sheet material, thecombination of a pair of members rotating relatively to one another andprovided respectivelywith a cutting-die and a counter-block adapted tocooperate to cut the material as the members rotate, one of saidcooperating parts being mounted to yield at an angle to the direction ofthe cutting pressure, and the other of said parts being mountedto yieldin the direction of the cutting pressure.

3. In a rotary machine for cutting articles from sheet material, thecombination of a roll, cutting-dies yieldingly mounted on said roll, asecond roll, and counter-blocks yieldingly mounted on said second rolland adapted to cooperate with the cutting-dies to cut the material asthe rolls are rotated.

4. In a rotary machine for cutting articles from sheet material, thecombination of a roll, cutting-dies on said roll, a second roll, andcounter-blocks mounted on Sitiii second roll to cooperate with thecutting-dies; said blocks being adapted to yield transversely to thedirection of the cutting pressure.

5. In a machine for cutting blanks or arti cles from sheet material, thecombination of a pair of rotary members provided respectively withcircumferentially-disposed knife edge cutting-dies and counter-blockscooperating therewith to cut the material by the'action of the diesrolling over the blocks one of each pair of cutting parts being adaptedto yield transversely to the direction of the cutting pressure in orderto avoid breaking the cutting edge by the rolling action.

6. In a machine of the character described having a knife-edge die and acounter-block adapted to cooperate and mounted to rotate relatively toone another, a mounting for the counter-block permitting the block toyield transversely to the cutting pressure.

7. In a machine of the character described, comprising relativelyrotating members provided respectively with knife-edge dies-andcooperating counter-blocks, mountings for the counter-blocks whichpermit them to yield transversely to the direction of thecuttingpressure and mountings for the knife-edge dies which permit themto yield in the direction of the cutting-pressure.

8. In a machine of the character described comprising relativelyrotating members provided respectively with knife-edge dies andcooperating counter-blocks, mountings for the counter-blocks whichpermitthem to yield both in the direction of the cutting pressure andlaterally thereto.

9. In a machine of the character described comprising rotary membersformed with peripheral openings and with knife-edge dies andcounter-blocks mounted in the openings of the respective rotary membersin position to provide pairs of cooperating cutting members; a packingof yielding or cushioning material interposed between each cuttingmember and the rotary member in which it is mounted.

10. In a machine of the character described, comprising rotary membersprovided respectively with knife-edge dies and cooper atingcounter-blocks, said counter-blocks being mounted in depressions orseats in one of the members, movable transversely-there in and having aset-screw which sustains it in the direction of cutting pressure bypermitting such transverse movement.

11. In a machine of the V character described, the combination of therotary member, the counter-block inserted therein for the purpose setforth, the set-screw for sustaining said counter-block in the directionof cutting pressure and a draw-bolt connected with said counter-blockand adapted to draw it in a direction opposite to the pressure imposedby the set-screw.

12. In a machine of the character described, the combination of therotary member, the counter-block inserted therein for the purpose setforth, the set-screw for sustaining said counter-block in the directionof cutting pressure and a draw-bolt connected with said counter-blockand adapted to draw it in a direction opposite to the pressure imposedby the set-screw, said draw-bolt extending through the set-screw andconnected with the counter-block.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN A. MOANULTY.

Witnesses:

CHAs. H. MARTIN, LILLIAN P. PENINGTONI

